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The new R&S ADD557SR direction finding and monitoring antenna combines comprehensive
functions across a wide frequency range.
New R&S ADD557SR direction finding and monitoring antenna
combines comprehensive functions across a wide frequency range. (Photo: Rohde &
Munich, February 14, 2022 - Today Rohde & Schwarz announced the launch of
the high performance R&S ADD557SR direction finding and monitoring antenna system.
The system provides accurate direction finding capabilities across a wide bandwidth
from 20 MHz to 6 GHz for both vertical and horizontal polarizations. It is ideal
for R&S DDF550 wideband direction finders and R&S DDF5GTS high-speed scanning
direction finders. The new direction finding antenna system incorporates the latest
technologies, making it a high-end, versatile device for stationary and mobile applications
on land, at sea and even in the air.
This new antenna system is one of a kind and can do more than just direction
finding. The R&S ADD557SR incorporates a separate antenna output that can be
used independently of direction finding and in both polarizations over a wide frequency
range. This helps focus on certain signals in the spectrum or suppress unwanted
In difficult environments with strong emitters, the new antenna system can be
switched into passive mode in the V-/UHF range to avoid saturating the active antenna
elements and enable direction-finding, even in noisy situations.
The R&S ADD557SR is super-resolution capable, the advanced direction finding
technology can simultaneously determine the bearings of multiple emissions on the
same frequency. It can detect signals in the spectrum that other emissions have
concealed and spot signals undetectable to other direction finders. Super-resolution
comes standard with the R&S DDF5GTS high-speed scanning direction finder.
"Our new R&S ADD557SR multi-channel direction finding and monitoring antenna
system has several unique selling propositions" says Frank Mayer, Vice President
Spectrum Monitoring, Rohde & Schwarz. "It increases the performance of entire
About Rohde & Schwarz
The Rohde & Schwarz technology group is among the trailblazers when it comes
to paving the way for a safer and connected world with its leading solutions in
test & measurement, technology systems, and networks & cybersecurity. Founded
more than 85 years ago, the group is a reliable partner for industry and government
customers around the globe. On June 30, 2021, Rohde & Schwarz had around 13,000
employees worldwide. The independent group achieved a net revenue of EUR 2.34 billion
in the 2020/2021 fiscal year (July to June). The company is headquartered in Munich,
R&S® & CERTIUM® are registered trademarks of Rohde & Schwarz GmbH &
Co. KG. All press releases, including photos for downloading, are available on the
internet at www.press.rohde-schwarz.com.
Rohde & Schwarz USA, Inc.
6821 Benjamin Franklin Dr.
Columbia, MD 21046
Europe, Africa, Middle East
+49 89 4129 12345
+1 888 837 8772
+1 410 910 79 88
+65 65 13 04 88
+86 800 810 8228 or +86 400 650 5896
Posted February 14, 2022